What Part Of The Brain Is Damaged In A Coma?

What are the stages of a coma?

Three stages of coma DOC includes coma, the vegetative state (VS) and the minimally conscious state (MCS).

These disorders (see sidebar at right for further information about each of these stages) are among the most misunderstood conditions in medicine..

What happens to your mind in a coma?

Someone who is in a coma is unconscious and will not respond to voices, other sounds, or any sort of activity going on nearby. The person is still alive, but the brain is functioning at its lowest stage of alertness. You can’t shake and wake up someone who is in a coma like you can someone who has just fallen asleep.

What is the longest coma ever?

37 years and 111 daysOn Aug. 6, 1941, 6-year-old Elaine Esposito went to the hospital for a routine appendectomy. She went under general anesthetic and never came out. Dubbed the “sleeping beauty,” Esposito stayed in a coma for 37 years and 111 days before succumbing in 1978 — the longest-ever coma, according to Guinness World Records.

Does coma mean brain damage?

A coma is a state of unconsciousness where a person is unresponsive and cannot be woken. It can result from injury to the brain, such as a severe head injury or stroke. A coma can also be caused by severe alcohol poisoning or a brain infection (encephalitis).

How long can a person be in a coma before brain damage?

According to the National Institutes of Health, it is uncommon for comas to exceed 2 to 4 weeks.

How long can you last in a coma?

Comas can last from several days to several weeks. In more severe cases a coma may last for over five weeks, while some have lasted as long as several years. After this time, some patients gradually come out of the coma, some progress to a vegetative state, and others die.

What do coma patients see?

Usually, coma patients have their eyes closed and cannot see what happens around them. But their ears keep receiving sounds from the environment. In some cases, the brains of coma patients can process sounds, for example the voice of someone speaking to them [2].

What’s the longest someone has been in a coma and woke up?

Elaine EspositoBornDecember 3, 1934 12 03 1934DiedNovember 25, 1978 (aged 43) Tarpon Springs, FloridaNationalityAmericanKnown forLongest period of human unconsciousness1 more row

What percentage of coma patients wake up?

They found that those who showed less than 42 percent of normal brain activity didn’t regain consciousness after a year, while those who had activity above that woke up within a year. Overall, the test was able to accurately predict 94 percent of patients who would wake up from a vegetative state.

What part of the brain is affected by coma?

A wide range of illnesses, conditions and events can cause coma. Coma occurs when there is a serious problem with the brain’s arousal system (the reticular activating system), or with its communications between other brain areas (such as the cerebral hemispheres) and the brain’s activity becomes impaired.

What are the chances of surviving a coma?

Studies show a very high overall mortality, ranging between 76% and 89%. 5, 6, 7 Of the surviving patients, only very few recover to a good outcome. The majority of the survivors do so with permanent disorders of consciousness or severe disabilities (see Table 1).

Is yawning in a coma a good sign?

And when a patient emerges from a coma, sits up, blinks and yawns, this may still not be a sign of anything approaching a full recovery. In a persistent vegetative state, or PVS, a person may sleep and wake, apparently as normal, and show a full range of normal reflexes.

Why do coma patients cry?

A comatose patient may open his eyes, move and even cry while still remaining unconscious. His brain-stem reflexes are attached to a nonfunctioning cortex. Reflex without reflection. Many professionals speak of this condition as a ”persistent vegetative state.

How do coma patients wake up?

Someone who is in a coma is unconscious and has minimal brain activity. It is not possible to wake a coma patient using physical or auditory stimulation. They’re alive, but can’t be woken up and show no signs of being aware. The person’s eyes will be closed and they’ll appear to be unresponsive to their environment.

Does talking to someone in a coma help?

Patients in comas may benefit from the familiar voices of loved ones, which may help awaken the unconscious brain and speed recovery, according to research from Northwestern Medicine and Hines VA Hospital.

Can you feel pain in a coma?

People in a coma are completely unresponsive. They do not move, do not react to light or sound and cannot feel pain. Their eyes are closed. The brain responds to extreme trauma by effectively ‘shutting down’.

Do you wee and poo in a coma?

Like a person in a coma, a person in a PVS is bed or chair-bound, is totally dependent for all care needs, cannot eat or drink, cannot speak, and is incontinent of urine and bowels.

What are the signs of coming out of a coma?

Signs of coming out of a coma include being able to keep their eyes open for longer and longer periods of time and being awakened from “sleep” easier—at first by pain (pinch), then by touch (like gently shaking of their shoulder), and finally by sound (calling their name).

How do hospitals feed coma patients?

Nourishing the unconscious person requires bypassing the normal chewing and swallowing process, and at times avoiding the gastrointestinal tract altogether. A nasogastric tube bypasses mouth and esophagus to deliver liquid nutrition directly to the stomach.